When no current is passed through a conductor,

When current passes through a conductor,

When current passes through a conductor then its temperature increases due to heating effect. Which of the following quantities do change due to heating?

When a current of 1 ampere is passed through a conductor whose ends are maintained at temperature difference of 1.^(@)C , the amount of heat evolved or absorbed is called

When a current is passed in a conductor, 3^(@)C rise in temperature is observed. If the strength of current is made thrice, then rise in temperature will approximately be